How can you promote the rights of people with Down syndrome on the 21 March?
World Down Syndrome Day (WDSD), 21 March, is a global awareness day that the United Nations has officially observed since 2012. The date for WDSD, being the 21st day of the third month, was selected to signify the uniqueness of the triplication (trisomy) of the 21st chromosome, which causes Down syndrome.
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